package com.massivecraft.factions;

import com.massivecraft.factions.cmd.CmdAutoHelp;
import com.massivecraft.factions.cmd.FCmdRoot;
import com.massivecraft.factions.integration.Econ;
import com.massivecraft.factions.integration.Essentials;
import com.massivecraft.factions.integration.Worldguard;
import com.massivecraft.factions.listeners.*;
import com.massivecraft.factions.struct.ChatMode;
import com.massivecraft.factions.util.AutoLeaveTask;
import com.massivecraft.factions.util.LazyLocation;
import com.massivecraft.factions.util.MapFLocToStringSetTypeAdapter;
import com.massivecraft.factions.util.MyLocationTypeAdapter;
import com.massivecraft.factions.zcore.MPlugin;
import com.massivecraft.factions.zcore.util.TextUtil;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.craftbukkit.libs.com.google.gson.GsonBuilder;
import org.bukkit.craftbukkit.libs.com.google.gson.reflect.TypeToken;
import org.bukkit.entity.Player;
import org.bukkit.event.player.AsyncPlayerChatEvent;

import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import java.util.*;
import java.util.logging.Level;


public class P extends MPlugin {

    // Our single plugin instance.
    // Single 4 life.
    public static P p;

    // Listeners
    public final FactionsPlayerListener playerListener;
    public final FactionsChatListener chatListener;
    public final FactionsEntityListener entityListener;
    public final FactionsExploitListener exploitListener;
    public final FactionsBlockListener blockListener;

    // Persistence related
    private boolean locked = false;

    public boolean getLocked() {
        return this.locked;
    }

    public void setLocked(boolean val) {
        this.locked = val;
        this.setAutoSave(val);
    }

    private Integer AutoLeaveTask = null;

    // Commands
    public FCmdRoot cmdBase;
    public CmdAutoHelp cmdAutoHelp;

    public P() {
        p = this;
        this.playerListener = new FactionsPlayerListener(this);
        this.chatListener = new FactionsChatListener(this);
        this.entityListener = new FactionsEntityListener(this);
        this.exploitListener = new FactionsExploitListener();
        this.blockListener = new FactionsBlockListener(this);
    }


    @Override
    public void onEnable() {
        // bit of (apparently absolutely necessary) idiot-proofing for CB version support due to changed GSON lib package name
        try {
            Class.forName("org.bukkit.craftbukkit.libs.com.google.gson.reflect.TypeToken");
        } catch (ClassNotFoundException ex) {
            this.log(Level.SEVERE, "GSON lib not found. Your CraftBukkit build is too old (< 1.3.2) or otherwise not compatible.");
            this.suicide();
            return;
        }

        if (!preEnable()) {
            return;
        }
        this.loadSuccessful = false;

        // Load Conf from disk
        Conf.load();
        Essentials.setup();
        FPlayers.i.loadFromDisc();
        Factions.i.loadFromDisc();
        Board.load();

        // Add Base Commands
        this.cmdBase = new FCmdRoot();
        this.cmdAutoHelp = new CmdAutoHelp();
        this.getBaseCommands().add(cmdBase);

        Econ.setup();

        if (Conf.worldGuardChecking || Conf.worldGuardBuildPriority) {
            Worldguard.init(this);
        }

        // start up task which runs the autoLeaveAfterDaysOfInactivity routine
        startAutoLeaveTask(false);

        // Register Event Handlers
        getServer().getPluginManager().registerEvents(playerListener, this);
        getServer().getPluginManager().registerEvents(chatListener, this);
        getServer().getPluginManager().registerEvents(entityListener, this);
        getServer().getPluginManager().registerEvents(exploitListener, this);
        getServer().getPluginManager().registerEvents(blockListener, this);

        saveDefaultConfig();

        // since some other plugins execute commands directly through this command interface, provide it
        this.getCommand(this.refCommand).setExecutor(this);

        postEnable();
        this.loadSuccessful = true;
    }

    @Override
    public GsonBuilder getGsonBuilder() {
        Type mapFLocToStringSetType = new TypeToken<Map<FLocation, Set<String>>>() {}.getType();

        return new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().excludeFieldsWithModifiers(Modifier.TRANSIENT, Modifier.VOLATILE).registerTypeAdapter(LazyLocation.class, new MyLocationTypeAdapter()).registerTypeAdapter(mapFLocToStringSetType, new MapFLocToStringSetTypeAdapter());
    }

    @Override
    public void onDisable() {
        // only save data if plugin actually completely loaded successfully
        if (this.loadSuccessful) {
            Board.save();
            Conf.save();
        }
        if (AutoLeaveTask != null) {
            this.getServer().getScheduler().cancelTask(AutoLeaveTask);
            AutoLeaveTask = null;
        }

        cmdBase.cmdSB.save();
        super.onDisable();
    }

    public void startAutoLeaveTask(boolean restartIfRunning) {
        if (AutoLeaveTask != null) {
            if (!restartIfRunning) {
                return;
            }
            this.getServer().getScheduler().cancelTask(AutoLeaveTask);
        }

        if (Conf.autoLeaveRoutineRunsEveryXMinutes > 0.0) {
            long ticks = (long) (20 * 60 * Conf.autoLeaveRoutineRunsEveryXMinutes);
            AutoLeaveTask = getServer().getScheduler().scheduleSyncRepeatingTask(this, new AutoLeaveTask(), ticks, ticks);
        }
    }

    @Override
    public void postAutoSave() {
        Board.save();
        Conf.save();
    }

    @Override
    public boolean logPlayerCommands() {
        return Conf.logPlayerCommands;
    }

    @Override
    public boolean handleCommand(CommandSender sender, String commandString, boolean testOnly) {
        return sender instanceof Player && FactionsPlayerListener.preventCommand(commandString, (Player) sender) || super.handleCommand(sender, commandString, testOnly);
    }

    @Override
    public boolean onCommand(CommandSender sender, Command command, String label, String[] split) {
        // if bare command at this point, it has already been handled by MPlugin's command listeners
        if (split == null || split.length == 0) {
            return handleCommand(sender, "/f help", false);
        }

        // otherwise, needs to be handled; presumably another plugin directly ran the command
        String cmd = Conf.baseCommandAliases.isEmpty() ? "/f" : "/" + Conf.baseCommandAliases.get(0);
        return handleCommand(sender, cmd + " " + TextUtil.implode(Arrays.asList(split), " "), false);
    }


    // -------------------------------------------- //
    // Functions for other plugins to hook into
    // -------------------------------------------- //

    // This value will be updated whenever new hooks are added
    public int hookSupportVersion() {
        return 3;
    }

    // If another plugin is handling insertion of chat tags, this should be used to notify Factions
    public void handleFactionTagExternally(boolean notByFactions) {
        Conf.chatTagHandledByAnotherPlugin = notByFactions;
    }

    // Simply put, should this chat event be left for Factions to handle? For now, that means players with Faction Chat
    // enabled or use of the Factions f command without a slash; combination of isPlayerFactionChatting() and isFactionsCommand()

    public boolean shouldLetFactionsHandleThisChat(AsyncPlayerChatEvent event) {
        return event != null && (isPlayerFactionChatting(event.getPlayer()) || isFactionsCommand(event.getMessage()));
    }

    // Does player have Faction Chat enabled? If so, chat plugins should preferably not do channels,
    // local chat, or anything else which targets individual recipients, so Faction Chat can be done
    public boolean isPlayerFactionChatting(Player player) {
        if (player == null) {
            return false;
        }
        FPlayer me = FPlayers.i.get(player);

        return me != null && me.getChatMode().isAtLeast(ChatMode.ALLIANCE);
    }

    // Is this chat message actually a Factions command, and thus should be left alone by other plugins?

    // TODO: GET THIS BACK AND WORKING

    public boolean isFactionsCommand(String check) {
        return !(check == null || check.isEmpty()) && this.handleCommand(null, check, true);
    }

    // Get a player's faction tag (faction name), mainly for usage by chat plugins for local/channel chat
    public String getPlayerFactionTag(Player player) {
        return getPlayerFactionTagRelation(player, null);
    }

    // Same as above, but with relation (enemy/neutral/ally) coloring potentially added to the tag
    public String getPlayerFactionTagRelation(Player speaker, Player listener) {
        String tag = "~";

        if (speaker == null) {
            return tag;
        }

        FPlayer me = FPlayers.i.get(speaker);
        if (me == null) {
            return tag;
        }

        // if listener isn't set, or config option is disabled, give back uncolored tag
        if (listener == null || !Conf.chatTagRelationColored) {
            tag = me.getChatTag().trim();
        } else {
            FPlayer you = FPlayers.i.get(listener);
            if (you == null) {
                tag = me.getChatTag().trim();
            } else  // everything checks out, give the colored tag
            {
                tag = me.getChatTag(you).trim();
            }
        }
        if (tag.isEmpty()) {
            tag = "~";
        }

        return tag;
    }

    // Get a player's title within their faction, mainly for usage by chat plugins for local/channel chat
    public String getPlayerTitle(Player player) {
        if (player == null) {
            return "";
        }

        FPlayer me = FPlayers.i.get(player);
        if (me == null) {
            return "";
        }

        return me.getTitle().trim();
    }

    // Get a list of all faction tags (names)
    public Set<String> getFactionTags() {
        Set<String> tags = new HashSet<String>();
        for (Faction faction : Factions.i.get()) {
            tags.add(faction.getTag());
        }
        return tags;
    }

    // Get a list of all players in the specified faction
    public Set<String> getPlayersInFaction(String factionTag) {
        Set<String> players = new HashSet<String>();
        Faction faction = Factions.i.getByTag(factionTag);
        if (faction != null) {
            for (FPlayer fplayer : faction.getFPlayers()) {
                players.add(fplayer.getName());
            }
        }
        return players;
    }

    // Get a list of all online players in the specified faction
    public Set<String> getOnlinePlayersInFaction(String factionTag) {
        Set<String> players = new HashSet<String>();
        Faction faction = Factions.i.getByTag(factionTag);
        if (faction != null) {
            for (FPlayer fplayer : faction.getFPlayersWhereOnline(true)) {
                players.add(fplayer.getName());
            }
        }
        return players;
    }

    public void debug(Level level, String s) {
        if (getConfig().getBoolean("debug", false)) {
            getLogger().log(level, s);
        }
    }

    public void debug(String s) {
        debug(Level.INFO, s);
    }
}